1. Particle Size Measurement;Allen;Chapman and Hall, London,1968
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3. A new method for evaluating the size of solid particles flowing in a trubulent fluid;Beck;Powder Technol.,1973
4. A new method for measuring the velocity of solid particles with fiber optic probe;Oki;Kagaku Kogaku,1973
5. A new method of strip-speed measurement using random waveform correlation;Butterfield;Trans. Soc. Instr. Tech.,1961